CN210332700U

CN210332700U - Reaction device for preparing amino acid surfactant

Info

Publication number: CN210332700U
Application number: CN201920142691.7U
Authority: CN
Inventors: 贺日孜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-26
Filing date: 2019-01-26
Publication date: 2020-04-17
Anticipated expiration: 2029-01-26

Abstract

The utility model relates to a reaction unit of preparation amino acid surfactant active, including reation kettle, amino acid head tank, lye tank, acyl chloride jar and pipe-line mixer, pipe-line mixer's one end is connected through first inlet pipe respectively lye tank, the second inlet pipe is connected amino acid head tank, third feed tube connect the acyl chloride jar, pipe-line mixer's the other end passes through a manifold and connects reation kettle, first inlet pipe the second inlet pipe all be provided with flow control valve and transport charge pump on the third inlet pipe, the utility model provides a reaction unit can avoid the local acyl chloride that leads to of crossing alkali of solution to hydrolyze, has avoided solvent acetone's use simultaneously, has effectively solved acetone solvent residue in the product, the too high problem of product colourity to the quality and the yield of product have been improved.

Description

Reaction device for preparing amino acid surfactant

Technical Field

The utility model relates to a production device of surfactant, in particular to a reaction device for preparing amino acid surfactant.

Background

In the prior art, when amino acid and acyl chloride are used as raw materials to prepare an amino acid surfactant, the amino acid and water are generally required to be mixed and dissolved in a reaction kettle, acetone is used as a solvent, and the acyl chloride and alkali liquor are simultaneously added dropwise under an alkaline condition, so that the following problems mainly exist in such a way:

1. the amino acid and the acetone water are directly mixed in the reaction, so that the mixing is uneven, and the reaction is influenced;

2. acyl chloride is dripped into a reaction kettle, hydrolysis reaction is easy to occur, and fatty acid salt is generated, so that the quality and the yield of the product are influenced;

3. the addition of acetone affects the chromaticity of the product, and acetone residue is easily generated, which affects the quality and safety of the product.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a reaction unit for preparing amino acid surfactant for solve the problem that exists among the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is that:

the utility model provides a preparation amino acid surfactant's reaction unit, includes reation kettle, amino acid head tank, lye tank, acyl chloride jar and line mixer, line mixer's one end is connected through first inlet pipe respectively the lye tank, the second inlet pipe is connected amino acid head tank, third feed tube connect the acyl chloride jar, line mixer's the other end passes through a collection union coupling reation kettle, first inlet pipe the second inlet pipe all be provided with flow control valve and electric pump of carrying on the third feed tube.

Preferably, the pipeline mixer comprises an inner shell, wherein one end of the inner shell is respectively provided with a first feeding hole, a second feeding hole and a third feeding hole, the other end of the inner shell is provided with a first discharging hole, the first feeding hole is connected with the first feeding pipe, the second feeding hole is connected with the second feeding pipe, the third feeding hole is connected with the third feeding pipe, the first discharging hole is connected with the collecting pipe, a support, a connecting rod, an annular notch plate and an arched notch plate are arranged inside the inner shell, the left end and the right end of the connecting rod are respectively fixedly connected with the support, the upper end and the lower end of the support are abutted against the inner side wall of the inner shell, through holes are formed in the annular notch plate and the arched notch plate, and the connecting rod penetrates through holes to fixedly connect the annular notch plate and the arched notch plate, and the annular notch plate and the arcuate notch plate are arranged at an interval.

Preferably, fixing nuts are arranged at two ends of the through hole on the connecting rod.

Preferably, a gap is left between the fixing nut and the arch notch plate.

Preferably, the inner diameters of the first feed port, the second feed port, the third feed port and the collecting pipe are all smaller than the inner diameter of the first discharge port.

Preferably, the outside of interior casing is provided with cooling system, cooling system includes the shell body, the upper end of shell body is provided with first circulating water export, the lower extreme of shell body is provided with first circulating water entry, the shell body with form into a cavity between the interior casing, it has the circulating water to fill in the cavity.

Preferably, the annular gap plate and the through holes on the arched gap plate are 4, the connecting rods are 4, and the bracket is in a cross shape.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) by improving the equipment, the use of acetone as a solvent is avoided, and the problems of acetone solvent residue and over-high product chromaticity in the product are effectively solved;

(2) the amino acid solution, acyl chloride and other raw materials are premixed and reacted in a pipeline mixer, so that acyl chloride hydrolysis caused by local over-alkali of the solution is avoided;

(3) the continuous production of the amino acid surfactant is facilitated;

(4) through the arrangement of the structures such as the annular notch plate, the arched notch plate, the connecting rod and the like, the raw materials are mixed more uniformly in the pipeline mixer, and the pipeline mixer is easy to install, disassemble and replace.

Drawings

FIG. 1 is a schematic flow diagram of a reaction apparatus for preparing amino acid surfactant according to the present invention;

FIG. 2 is a schematic structural diagram of the line mixer of the present invention;

fig. 3 is a schematic structural view of the annular notch plate of the present invention;

fig. 4 is a schematic structural view of the arcuate notch plate of the present invention;

fig. 5 is a schematic structural diagram of the bracket of the present invention.

The corresponding names in the figures are as follows:

1. an alkali liquor tank; 2. an amino acid raw material tank; 3. acyl chloride tank; 4. a reaction kettle; 5. a pipeline mixer; 5-1, a second feed inlet; 5-2, a first feed inlet; 5-3, a first circulating water outlet; 5-4, connecting rod; 5-5, inner shell; 5-6, an outer shell; 5-7, a bracket; 5-8, a first discharge hole; 5-9, a first circulating water inlet; 5-10, arc-shaped notch plates; 5-11, annular gap plate; 5-12, fixing a nut; 5-13, a third feed inlet; 5-14, through holes; 5-15, annular gap; 5-16, an arch notch; 6. a first feed tube; 7. a second feed tube; 8. a third feed pipe; 9. a manifold; 10. a flow regulating valve; 11. delivery electric pump

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1, a reaction unit for preparing amino acid surfactant comprises a reaction kettle 4, an amino acid raw material tank 2, an alkali liquor tank 1, an acyl chloride tank 3 and a pipeline mixer 5, wherein one end of the pipeline mixer 5 is connected with the alkali liquor tank 1 through a first feeding pipe 6, a second feeding pipe 7 is connected with the amino acid raw material tank 2, a third feeding pipe 8 is connected with the acyl chloride tank 3, the other end of the pipeline mixer 5 is connected with the reaction kettle 4 through a collecting pipe 9, and the first feeding pipe 6, the second feeding pipe 7 and the third feeding pipe 8 are all provided with a flow control valve 10 and an electric conveying pump 11.

In the embodiment, the amino acid surfactant is prepared by adding a pipeline mixer for premixing in front of the reaction kettle, so that the hydrolysis of acyl chloride caused by partial over-alkali of the solution is avoided; meanwhile, the use of acetone is avoided, and the problems of residual solvent in the product and over-high product chromaticity are effectively solved; in addition, the reaction device is beneficial to realizing the continuous production of the amino acid surfactant, thereby improving the production efficiency.

With continuing reference to fig. 2 to 5, the pipe mixer 5 includes an inner housing 5-5, one end of the inner housing 5-5 is respectively provided with a first feeding port 5-2, a second feeding port 5-1 and a third feeding port 5-13, the other end of the inner housing 5-5 is provided with a first discharging port 5-8, the first feeding port 5-2 is connected to the first feeding pipe 6, the second feeding port 5-1 is connected to the second feeding pipe 7, the third feeding port 5-13 is connected to the third feeding pipe 8, the first discharging port 5-8 is connected to the collecting pipe 9, the inner housing 5-5 is internally provided with a bracket 5-7, a connecting rod 5-4, an annular gap plate 5-11 and an arcuate gap plate 5-10, an annular notch 5-15 is formed in the center of the annular notch plate 5-11, an arcuate notch 5-16 is formed in the periphery of the arcuate notch 5-10, the left end and the right end of the connecting rod 5-4 are fixedly connected with the supports 5-7 respectively, the upper end and the lower end of each support 5-7 are abutted to the inner side wall of the inner housing 5-5, through holes 5-14 are formed in the annular notch plate 5-11 and the arcuate notch plate 5-10, the connecting rod 5-4 penetrates through the through holes 5-14 to fixedly connect the annular notch plate 5-11 with the arcuate notch plate 5-10, and the annular notch plate 5-11 and the arcuate notch plate 5-10 are arranged at intervals; the inner diameters of the first feeding hole 5-2, the second feeding hole 5-1 and the third feeding hole 5-13 are all smaller than the inner diameter of the first discharging hole 5-8.

In the embodiment, through the arrangement of the structures such as the annular notch plates 5-11, the arc-shaped notch plates 5-10, the connecting rods 5-4 and the like, the raw materials are mixed more uniformly in the pipeline mixer, and the pipeline mixer is easy to install, disassemble and replace. In order to prevent the supports 5-7, the connecting rods 5-4, etc. from moving along with the manifold under the impact of each raw material liquid, a limiting member (not shown) may be disposed on the inner sidewall of the inner housing 5-5 near the first discharge port 5-8, and in some other embodiments, the inner diameter of the manifold 9 may be set smaller than the inner diameter of the first discharge port 5-8, and the same effect may be achieved.

In the illustrated embodiment, the through holes 5-14 of the ring-shaped notch plates 5-11 and the arcuate notch plates 5-10 are provided in 4, the connecting rods 5-4 are provided in 4, and the brackets 5-4 are cross-shaped. It is understood that in some embodiments, the annular notch plates 5-11 and the arcuate notch plates 5-10 can be fixed on the connecting rod 5-4 by welding, in the illustrated embodiment, fixing nuts 5-12 are provided at both ends of the through hole 5-14 on the connecting rod 5-4, and threads matched with the fixing nuts 5-12 are formed on the connecting rod 5-4, that is, the annular notch plates 5-11 and the arcuate notch plates 5-10 are fixed on the connecting rod 5-4 by the fixing nuts 5-12, and the distance between the arcuate notch plates 5-10 and the annular notch plates 5-11 can be adjusted according to different use conditions, so that the device is more flexible and convenient. In some other embodiments, a gap is left between the fixing nut 5-12 and the arcuate notch plate 5-10, that is, the arcuate notch plate can rotate freely on the connecting rod, and when each raw material flows in the pipeline mixer, the rotation of the arcuate notch plate can play a certain stirring function, thereby further improving the mixing efficiency.

With continued reference to fig. 2, the exterior of the inner shell 5-5 is provided with a cooling system for controlling and regulating the temperature of the mixed liquid in the line mixer; the cooling system comprises an outer shell 5-6, a first circulating water outlet 5-3 is formed in the upper end of the outer shell 5-6, a first circulating water inlet 5-9 is formed in the lower end of the outer shell 5-6, a cavity is formed between the outer shell 5-6 and the inner shell 5-5, circulating water is filled in the cavity, and further, brine can be selected as the circulating water, so that the effect is better.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a reaction unit of preparation amino acid surfactant active, characterized in that, includes reation kettle (4), amino acid feed tank (2), lye tank (1), acyl chloride jar (3) and pipeline mixer (5), the one end of pipeline mixer (5) is connected through first inlet pipe (6) respectively lye tank (1), second inlet pipe (7) are connected amino acid feed tank (2), third inlet pipe (8) are connected acyl chloride jar (3), the other end of pipeline mixer (5) is connected through a manifold (9) reation kettle (4), first inlet pipe (6) second inlet pipe (7) all be provided with flow control valve (10) and charge pump (11) on third inlet pipe (8).

2. The reaction device for preparing the amino acid surfactant as recited in claim 1, wherein the tube mixer (5) comprises an inner shell (5-5), one end of the inner shell (5-5) is respectively provided with a first feeding port (5-2), a second feeding port (5-1) and a third feeding port (5-13), the other end of the inner shell (5-5) is provided with a first discharging port (5-8), the first feeding port (5-2) is connected with the first feeding pipe (6), the second feeding port (5-1) is connected with the second feeding pipe (7), the third feeding port (5-13) is connected with the third feeding pipe (8), and the first discharging port (5-8) is connected with the collecting pipe (9), the inner part of the inner shell (5-5) is provided with a bracket (5-7), a connecting rod (5-4), an annular notch plate (5-11) and an arched notch plate (5-10), the left end and the right end of the connecting rod (5-4) are respectively fixedly connected with the brackets (5-7), the upper end and the lower end of the bracket (5-7) are butted on the inner side wall of the inner shell (5-5), through holes (5-14) are formed on the annular gap plates (5-11) and the arc gap plates (5-10), the connecting rod (5-4) passes through the through hole (5-14) to fixedly connect the annular notch plate (5-11) and the arched notch plate (5-10), and the annular notch plates (5-11) and the arc-shaped notch plates (5-10) are arranged at intervals.

3. The reaction device for producing amino acid surfactant according to claim 2, wherein fixing nuts (5-12) are provided on the connection rod (5-4) at both ends of the through-hole (5-14).

4. The reaction device for preparing amino acid surfactant according to claim 3, wherein a gap is left between the fixing nut (5-12) and the arcuate-shaped notch plate (5-10).

5. The reaction apparatus for producing amino acid surfactants as set forth in claim 2, wherein the first inlet (5-2), the second inlet (5-1), the third inlet (5-13) and the manifold (9) each have an inner diameter smaller than that of the first outlet (5-8).

6. The reaction device for preparing the amino acid surfactant as claimed in claim 2, wherein a cooling system is disposed outside the inner shell (5-5), the cooling system comprises an outer shell (5-6), a first circulating water outlet (5-3) is disposed at the upper end of the outer shell (5-6), a first circulating water inlet (5-9) is disposed at the lower end of the outer shell (5-6), a cavity is formed between the outer shell (5-6) and the inner shell (5-5), and circulating water is filled in the cavity.

7. The reaction apparatus for manufacturing amino acid surfactant according to claim 2, wherein the number of through-holes (5-14) of said ring-shaped notch plates (5-11) and said arcuate notch plates (5-10) is set to 4, said connecting rods (5-4) are set to 4, and said brackets (5-7) are cross-shaped.